What are the speed ranges for 1st, 2nd, 3rd, and 4th gears in a C1 vehicle?

[MartinLee]

C1 1st gear allows a speed range of 0~20, with the shift to 2nd gear recommended at 15~20; 2nd gear allows a speed range of 10~30, with the shift to 3rd gear recommended at 25~30; 3rd gear allows a speed range of 20~40, with the shift to 4th gear recommended at 35~40; 4th gear allows a speed range of 30~50, with the shift to 5th gear recommended at 45~50. Below is an introduction to the driving test subjects: Subject 1: Also known as the theoretical test or driver's theory test, it is part of the motor vehicle driver's license assessment. Subject 2: Also known as the small road test, it includes five test items: reversing into a parking space, parallel parking, stopping and starting on a slope, turning at a right angle, and driving through curves. Subject 3: Also known as the big road test, it is the road driving skills test in the motor vehicle driver's examination. Subject 4: Also known as the theoretical test or driver's theory test.